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autoptimize / classes / autoptimizeExtra.php

autoptimizeExtra.php in Autoptimize 2.6.1, at classes/autoptimizeExtra.php

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1 <?php
2 /**
3 * Handles autoptimizeExtra frontend features + admin options page
4 */
5
6 if ( ! defined( 'ABSPATH' ) ) {
7 exit;
8 }
9
10 class autoptimizeExtra
11 {
12 /**
13 * Options
14 *
15 * @var array
16 */
17 protected $options = array();
18
19 /**
20 * Singleton instance.
21 *
22 * @var self|null
23 */
24 protected static $instance = null;
25
26 /**
27 * Creates an instance and calls run().
28 *
29 * @param array $options Optional. Allows overriding options without having to specify them via admin options page.
30 */
31 public function __construct( $options = array() )
32 {
33 if ( empty( $options ) ) {
34 $options = self::fetch_options();
35 }
36
37 $this->options = $options;
38 }
39
40 /**
41 * Helper for getting a singleton instance. While being an
42 * anti-pattern generally, it comes in handy for now from a
43 * readability/maintainability perspective, until we get some
44 * proper dependency injection going.
45 *
46 * @return self
47 */
48 public static function instance()
49 {
50 if ( null === self::$instance ) {
51 self::$instance = new self();
52 }
53
54 return self::$instance;
55 }
56
57 public function run()
58 {
59 if ( is_admin() ) {
60 if ( is_multisite() && is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() ) {
61 add_action( 'network_admin_menu', array( $this, 'admin_menu' ) );
62 } else {
63 add_action( 'admin_menu', array( $this, 'admin_menu' ) );
64 }
65 add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_extra_tab' ) );
66 } else {
67 $this->run_on_frontend();
68 }
69 }
70
71 public function set_options( array $options )
72 {
73 $this->options = $options;
74
75 return $this;
76 }
77
78 public static function fetch_options()
79 {
80 $value = autoptimizeOptionWrapper::get_option( 'autoptimize_extra_settings' );
81 if ( empty( $value ) ) {
82 // Fallback to returning defaults when no stored option exists yet.
83 $value = autoptimizeConfig::get_ao_extra_default_options();
84 }
85
86 return $value;
87 }
88
89 public function disable_emojis()
90 {
91 // Removing all actions related to emojis!
92 remove_action( 'admin_print_styles', 'print_emoji_styles' );
93 remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
94 remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
95 remove_action( 'wp_print_styles', 'print_emoji_styles' );
96 remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
97 remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
98 remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
99
100 // Removes TinyMCE emojis.
101 add_filter( 'tiny_mce_plugins', array( $this, 'filter_disable_emojis_tinymce' ) );
102
103 // Removes emoji dns-preftech.
104 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_emoji_dns_prefetch' ), 10, 2 );
105 }
106
107 public function filter_disable_emojis_tinymce( $plugins )
108 {
109 if ( is_array( $plugins ) ) {
110 return array_diff( $plugins, array( 'wpemoji' ) );
111 } else {
112 return array();
113 }
114 }
115
116 public function filter_remove_qs( $src )
117 {
118 if ( strpos( $src, '?ver=' ) ) {
119 $src = remove_query_arg( 'ver', $src );
120 }
121
122 return $src;
123 }
124
125 public function extra_async_js( $in )
126 {
127 $exclusions = array();
128 if ( ! empty( $in ) ) {
129 $exclusions = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $in ) ) ), '' );
130 }
131
132 $settings = $this->options['autoptimize_extra_text_field_3'];
133 $async = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $settings ) ) ), '' );
134 $attr = apply_filters( 'autoptimize_filter_extra_async', 'async' );
135 foreach ( $async as $k => $v ) {
136 $async[ $k ] = $attr;
137 }
138
139 // Merge exclusions & asyncs in one array and return to AO API.
140 $merged = array_merge( $exclusions, $async );
141
142 return $merged;
143 }
144
145 protected function run_on_frontend()
146 {
147 $options = $this->options;
148
149 // Disable emojis if specified.
150 if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) ) {
151 $this->disable_emojis();
152 }
153
154 // Remove version query parameters.
155 if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) ) {
156 add_filter( 'script_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
157 add_filter( 'style_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
158 }
159
160 // Avoiding conflicts of interest when async-javascript plugin is active!
161 $async_js_plugin_active = autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' );
162 if ( ! empty( $options['autoptimize_extra_text_field_3'] ) && ! $async_js_plugin_active ) {
163 add_filter( 'autoptimize_filter_js_exclude', array( $this, 'extra_async_js' ), 10, 1 );
164 }
165
166 // Optimize google fonts!
167 if ( ! empty( $options['autoptimize_extra_radio_field_4'] ) && ( '1' !== $options['autoptimize_extra_radio_field_4'] ) ) {
168 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_gfonts_dnsprefetch' ), 10, 2 );
169 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_optimize_google_fonts' ), 10, 1 );
170 add_filter( 'autoptimize_extra_filter_tobepreconn', array( $this, 'filter_preconnect_google_fonts' ), 10, 1 );
171 }
172
173 // Preconnect!
174 if ( ! empty( $options['autoptimize_extra_text_field_2'] ) || has_filter( 'autoptimize_extra_filter_tobepreconn' ) ) {
175 add_filter( 'wp_resource_hints', array( $this, 'filter_preconnect' ), 10, 2 );
176 }
177
178 // Preload!
179 if ( ! empty( $options['autoptimize_extra_text_field_7'] ) ) {
180 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_preload' ), 10, 2 );
181 }
182 }
183
184 public function filter_remove_emoji_dns_prefetch( $urls, $relation_type )
185 {
186 $emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/' );
187
188 return $this->filter_remove_dns_prefetch( $urls, $relation_type, $emoji_svg_url );
189 }
190
191 public function filter_remove_gfonts_dnsprefetch( $urls, $relation_type )
192 {
193 return $this->filter_remove_dns_prefetch( $urls, $relation_type, 'fonts.googleapis.com' );
194 }
195
196 public function filter_remove_dns_prefetch( $urls, $relation_type, $url_to_remove )
197 {
198 $url_to_remove = (string) $url_to_remove;
199
200 if ( ! empty( $url_to_remove ) && 'dns-prefetch' === $relation_type ) {
201 $cnt = 0;
202 foreach ( $urls as $url ) {
203 if ( false !== strpos( $url, $url_to_remove ) ) {
204 unset( $urls[ $cnt ] );
205 }
206 $cnt++;
207 }
208 }
209
210 return $urls;
211 }
212
213 public function filter_optimize_google_fonts( $in )
214 {
215 // Extract fonts, partly based on wp rocket's extraction code.
216 $markup = preg_replace( '/<!--(.*)-->/Uis', '', $in );
217 preg_match_all( '#<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>#iU', $markup, $matches );
218
219 $fonts_collection = array();
220 if ( ! $matches[2] ) {
221 return $in;
222 }
223
224 // Store them in $fonts array.
225 $i = 0;
226 foreach ( $matches[2] as $font ) {
227 if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) {
228 // Get fonts name.
229 $font = str_replace( array( '%7C', '%7c' ), '|', $font );
230 $font = explode( 'family=', $font );
231 $font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array();
232 // Add font to $fonts[$i] but make sure not to pollute with an empty family!
233 $_thisfont = array_values( array_filter( explode( '|', reset( $font ) ) ) );
234 if ( ! empty( $_thisfont ) ) {
235 $fonts_collection[ $i ]['fonts'] = $_thisfont;
236 // And add subset if any!
237 $subset = ( is_array( $font ) ) ? end( $font ) : '';
238 if ( false !== strpos( $subset, 'subset=' ) ) {
239 $subset = str_replace( array( '%2C', '%2c' ), ',', $subset );
240 $subset = explode( 'subset=', $subset );
241 $fonts_collection[ $i ]['subsets'] = explode( ',', $subset[1] );
242 }
243 }
244 // And remove Google Fonts.
245 $in = str_replace( $matches[0][ $i ], '', $in );
246 }
247 $i++;
248 }
249
250 $options = $this->options;
251 $fonts_markup = '';
252 if ( '2' === $options['autoptimize_extra_radio_field_4'] ) {
253 // Remove Google Fonts.
254 unset( $fonts_collection );
255 return $in;
256 } elseif ( '3' === $options['autoptimize_extra_radio_field_4'] || '5' === $options['autoptimize_extra_radio_field_4'] ) {
257 // Aggregate & link!
258 $fonts_string = '';
259 $subset_string = '';
260 foreach ( $fonts_collection as $font ) {
261 $fonts_string .= '|' . trim( implode( '|', $font['fonts'] ), '|' );
262 if ( ! empty( $font['subsets'] ) ) {
263 $subset_string .= ',' . trim( implode( ',', $font['subsets'] ), ',' );
264 }
265 }
266
267 if ( ! empty( $subset_string ) ) {
268 $subset_string = str_replace( ',', '%2C', ltrim( $subset_string, ',' ) );
269 $fonts_string = $fonts_string . '&#038;subset=' . $subset_string;
270 }
271
272 $fonts_string = apply_filters( 'autoptimize_filter_extra_gfont_fontstring', str_replace( '|', '%7C', ltrim( $fonts_string, '|' ) ) );
273 // only add display parameter if there is none in $fonts_string (by virtue of the filter).
274 if ( strpos( $fonts_string, 'display=' ) === false ) {
275 $fonts_string .= apply_filters( 'autoptimize_filter_extra_gfont_display', '&amp;display=swap' );
276 }
277
278 if ( ! empty( $fonts_string ) ) {
279 if ( '5' === $options['autoptimize_extra_radio_field_4'] ) {
280 $rel_string = 'rel="preload" as="style" onload="' . autoptimizeConfig::get_ao_css_preload_onload() . '"';
281 } else {
282 $rel_string = 'rel="stylesheet"';
283 }
284 $fonts_markup = '<link ' . $rel_string . ' id="ao_optimized_gfonts" href="https://fonts.googleapis.com/css?family=' . $fonts_string . '" />';
285 }
286 } elseif ( '4' === $options['autoptimize_extra_radio_field_4'] ) {
287 // Aggregate & load async (webfont.js impl.)!
288 $fonts_array = array();
289 foreach ( $fonts_collection as $_fonts ) {
290 if ( ! empty( $_fonts['subsets'] ) ) {
291 $_subset = implode( ',', $_fonts['subsets'] );
292 foreach ( $_fonts['fonts'] as $key => $_one_font ) {
293 $_one_font = $_one_font . ':' . $_subset;
294 $_fonts['fonts'][ $key ] = $_one_font;
295 }
296 }
297 $fonts_array = array_merge( $fonts_array, $_fonts['fonts'] );
298 }
299
300 $fonts_array = array_map( 'urldecode', $fonts_array );
301 $fonts_array = array_map(
302 function( $_f ) {
303 return trim( $_f, ',' );
304 },
305 $fonts_array
306 );
307
308 // type attrib on <script not added by default.
309 $type_js = '';
310 if ( apply_filters( 'autoptimize_filter_cssjs_addtype', false ) ) {
311 $type_js = 'type="text/javascript" ';
312 }
313
314 $fonts_markup = '<script ' . $type_js . 'data-cfasync="false" id="ao_optimized_gfonts_config">WebFontConfig={google:{families:' . wp_json_encode( $fonts_array ) . ' },classes:false, events:false, timeout:1500};</script>';
315 $fonts_library_markup = '<script ' . $type_js . 'data-cfasync="false" id="ao_optimized_gfonts_webfontloader">(function() {var wf = document.createElement(\'script\');wf.src=\'https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js\';wf.type=\'text/javascript\';wf.async=\'true\';var s=document.getElementsByTagName(\'script\')[0];s.parentNode.insertBefore(wf, s);})();</script>';
316 $in = substr_replace( $in, $fonts_library_markup . '</head>', strpos( $in, '</head>' ), strlen( '</head>' ) );
317 }
318
319 // Replace back in markup.
320 $inject_point = apply_filters( 'autoptimize_filter_extra_gfont_injectpoint', '<link' );
321 $out = substr_replace( $in, $fonts_markup . $inject_point, strpos( $in, $inject_point ), strlen( $inject_point ) );
322 unset( $fonts_collection );
323
324 // and insert preload polyfill if "link preload" and if the polyfill isn't there yet (courtesy of inline&defer).
325 $preload_polyfill = autoptimizeConfig::get_ao_css_preload_polyfill();
326 if ( '5' === $options['autoptimize_extra_radio_field_4'] && strpos( $out, $preload_polyfill ) === false ) {
327 $out = str_replace( '</body>', $preload_polyfill . '</body>', $out );
328 }
329 return $out;
330 }
331
332 public function filter_preconnect( $hints, $relation_type )
333 {
334 $options = $this->options;
335 $preconns = array();
336
337 // Get settings and store in array.
338 if ( array_key_exists( 'autoptimize_extra_text_field_2', $options ) ) {
339 $preconns = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_2'] ) ) );
340 }
341 $preconns = apply_filters( 'autoptimize_extra_filter_tobepreconn', $preconns );
342
343 // Walk array, extract domain and add to new array with crossorigin attribute.
344 foreach ( $preconns as $preconn ) {
345 $domain = '';
346 $parsed = parse_url( $preconn );
347 if ( is_array( $parsed ) && ! empty( $parsed['host'] ) && empty( $parsed['scheme'] ) ) {
348 $domain = '//' . $parsed['host'];
349 } elseif ( is_array( $parsed ) && ! empty( $parsed['host'] ) ) {
350 $domain = $parsed['scheme'] . '://' . $parsed['host'];
351 }
352
353 if ( ! empty( $domain ) ) {
354 $hint = array( 'href' => $domain );
355 // Fonts don't get preconnected unless crossorigin flag is set, non-fonts don't get preconnected if origin flag is set
356 // so hardcode fonts.gstatic.com to come with crossorigin and have filter to add other domains if needed.
357 $crossorigins = apply_filters( 'autoptimize_extra_filter_preconn_crossorigin', array( 'https://fonts.gstatic.com' ) );
358 if ( in_array( $domain, $crossorigins ) ) {
359 $hint['crossorigin'] = 'anonymous';
360 }
361 $new_hints[] = $hint;
362 }
363 }
364
365 // Merge in WP's preconnect hints.
366 if ( 'preconnect' === $relation_type && ! empty( $new_hints ) ) {
367 $hints = array_merge( $hints, $new_hints );
368 }
369
370 return $hints;
371 }
372
373 public function filter_preconnect_google_fonts( $in )
374 {
375 if ( '2' !== $this->options['autoptimize_extra_radio_field_4'] ) {
376 // Preconnect to fonts.gstatic.com unless we remove gfonts.
377 $in[] = 'https://fonts.gstatic.com';
378 }
379
380 if ( '4' === $this->options['autoptimize_extra_radio_field_4'] ) {
381 // Preconnect even more hosts for webfont.js!
382 $in[] = 'https://ajax.googleapis.com';
383 $in[] = 'https://fonts.googleapis.com';
384 }
385
386 return $in;
387 }
388
389 public function filter_preload( $in ) {
390 // make array from comma separated list.
391 $options = $this->options;
392 $preloads = array();
393 if ( array_key_exists( 'autoptimize_extra_text_field_7', $options ) ) {
394 $preloads = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_7'] ) ) );
395 }
396 $preloads = apply_filters( 'autoptimize_filter_extra_tobepreloaded', $preloads );
397
398 // immediately return if nothing to be preloaded.
399 if ( empty( $preloads ) ) {
400 return $in;
401 }
402
403 // iterate through array and add preload link to tmp string.
404 $preload_output = '';
405 foreach ( $preloads as $preload ) {
406 $crossorigin = '';
407 $preload_as = '';
408 $mime_type = '';
409
410 if ( autoptimizeUtils::str_ends_in( $preload, '.css' ) ) {
411 $preload_as = 'style';
412 } elseif ( autoptimizeUtils::str_ends_in( $preload, '.js' ) ) {
413 $preload_as = 'script';
414 } elseif ( autoptimizeUtils::str_ends_in( $preload, '.woff' ) || autoptimizeUtils::str_ends_in( $preload, '.woff2' ) || autoptimizeUtils::str_ends_in( $preload, '.ttf' ) || autoptimizeUtils::str_ends_in( $preload, '.eot' ) ) {
415 $preload_as = 'font';
416 $crossorigin = ' crossorigin';
417 $mime_type = ' type="font/' . pathinfo( $preload, PATHINFO_EXTENSION ) . '"';
418 if ( ' type="font/eot"' === $mime_type ) {
419 $mime_type = 'application/vnd.ms-fontobject';
420 }
421 } elseif ( autoptimizeUtils::str_ends_in( $preload, '.jpeg' ) || autoptimizeUtils::str_ends_in( $preload, '.jpg' ) || autoptimizeUtils::str_ends_in( $preload, '.webp' ) || autoptimizeUtils::str_ends_in( $preload, '.png' ) || autoptimizeUtils::str_ends_in( $preload, '.gif' ) ) {
422 $preload_as = 'image';
423 } else {
424 $preload_as = 'other';
425 }
426
427 $preload_output .= '<link rel="preload" href="' . $preload . '" as="' . $preload_as . '"' . $mime_type . $crossorigin . '>';
428 }
429 $preload_output = apply_filters( 'autoptimize_filter_extra_preload_output', $preload_output );
430
431 // add string to head (before first link node by default).
432 $preload_inject = apply_filters( 'autoptimize_filter_extra_preload_inject', '<link' );
433 $position = autoptimizeUtils::strpos( $in, $preload_inject );
434
435 return autoptimizeUtils::substr_replace( $in, $preload_output . $preload_inject, $position, strlen( $preload_inject ) );
436 }
437
438 public function admin_menu()
439 {
440 // no acces if multisite and not network admin and no site config allowed.
441 if ( autoptimizeConfig::should_show_menu_tabs() ) {
442 add_submenu_page(
443 null,
444 'autoptimize_extra',
445 'autoptimize_extra',
446 'manage_options',
447 'autoptimize_extra',
448 array( $this, 'options_page' )
449 );
450 }
451 register_setting( 'autoptimize_extra_settings', 'autoptimize_extra_settings' );
452 }
453
454 public function add_extra_tab( $in )
455 {
456 if ( autoptimizeConfig::should_show_menu_tabs() ) {
457 $in = array_merge( $in, array( 'autoptimize_extra' => __( 'Extra', 'autoptimize' ) ) );
458 }
459
460 return $in;
461 }
462
463 public function options_page()
464 {
465 // Working with actual option values from the database here.
466 // That way any saves are still processed as expected, but we can still
467 // override behavior by using `new autoptimizeExtra($custom_options)` and not have that custom
468 // behavior being persisted in the DB even if save is done here.
469 $options = $this->fetch_options();
470 $gfonts = $options['autoptimize_extra_radio_field_4'];
471 ?>
472 <style>
473 #ao_settings_form {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;}
474 #ao_settings_form .form-table th {font-weight: normal;}
475 #autoptimize_extra_descr{font-size: 120%;}
476 </style>
477 <script>document.title = "Autoptimize: <?php _e( 'Extra', 'autoptimize' ); ?> " + document.title;</script>
478 <div class="wrap">
479 <h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
480 <?php echo autoptimizeConfig::ao_admin_tabs(); ?>
481 <?php if ( 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_js' ) && 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_css' ) && 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_html' ) && ! autoptimizeImages::imgopt_active() ) { ?>
482 <div class="notice-warning notice"><p>
483 <?php _e( 'Most of below Extra optimizations require at least one of HTML, JS, CSS or Image autoptimizations being active.', 'autoptimize' ); ?>
484 </p></div>
485 <?php } ?>
486
487 <form id='ao_settings_form' action='<?php echo admin_url( 'options.php' ); ?>' method='post'>
488 <?php settings_fields( 'autoptimize_extra_settings' ); ?>
489 <h2><?php _e( 'Extra Auto-Optimizations', 'autoptimize' ); ?></h2>
490 <span id='autoptimize_extra_descr'><?php _e( 'The following settings can improve your site\'s performance even more.', 'autoptimize' ); ?></span>
491 <table class="form-table">
492 <tr>
493 <th scope="row"><?php _e( 'Google Fonts', 'autoptimize' ); ?></th>
494 <td>
495 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="1" <?php if ( ! in_array( $gfonts, array( 2, 3, 4, 5 ) ) ) { echo 'checked'; } ?> ><?php _e( 'Leave as is', 'autoptimize' ); ?><br/>
496 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="2" <?php checked( 2, $gfonts, true ); ?> ><?php _e( 'Remove Google Fonts', 'autoptimize' ); ?><br/>
497 <?php // translators: "display:swap" should remain untranslated, will be shown in code tags. ?>
498 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="3" <?php checked( 3, $gfonts, true ); ?> ><?php echo __( 'Combine and link in head (fonts load fast but are render-blocking)', 'autoptimize' ) . ', ' . sprintf( __( 'includes %1$sdisplay:swap%2$s.', 'autoptimize' ), '<code>', '</code>' ); ?><br/>
499 <?php // translators: "display:swap" should remain untranslated, will be shown in code tags. ?>
500 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="5" <?php checked( 5, $gfonts, true ); ?> ><?php echo __( 'Combine and preload in head (fonts load late, but are not render-blocking)', 'autoptimize' ) . ', ' . sprintf( __( 'includes %1$sdisplay:swap%2$s.', 'autoptimize' ), '<code>', '</code>' ); ?><br/>
501 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="4" <?php checked( 4, $gfonts, true ); ?> ><?php _e( 'Combine and load fonts asynchronously with <a href="https://github.com/typekit/webfontloader#readme" target="_blank">webfont.js</a>', 'autoptimize' ); ?><br/>
502 </td>
503 </tr>
504 <tr>
505 <th scope="row"><?php _e( 'Remove emojis', 'autoptimize' ); ?></th>
506 <td>
507 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) && '1' === $options['autoptimize_extra_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removes WordPress\' core emojis\' inline CSS, inline JavaScript, and an otherwise un-autoptimized JavaScript file.', 'autoptimize' ); ?></label>
508 </td>
509 </tr>
510 <tr>
511 <th scope="row"><?php _e( 'Remove query strings from static resources', 'autoptimize' ); ?></th>
512 <td>
513 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_0]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) && '1' === $options['autoptimize_extra_checkbox_field_0'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removing query strings (or more specifically the <code>ver</code> parameter) will not improve load time, but might improve performance scores.', 'autoptimize' ); ?></label>
514 </td>
515 </tr>
516 <tr>
517 <th scope="row"><?php _e( 'Preconnect to 3rd party domains <em>(advanced users)</em>', 'autoptimize' ); ?></th>
518 <td>
519 <label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_2]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_2', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_2'] ); } ?>'><br /><?php _e( 'Add 3rd party domains you want the browser to <a href="https://www.keycdn.com/support/preconnect/#primary" target="_blank">preconnect</a> to, separated by comma\'s. Make sure to include the correct protocol (HTTP or HTTPS).', 'autoptimize' ); ?></label>
520 </td>
521 </tr>
522 <tr>
523 <th scope="row"><?php _e( 'Preload specific requests <em>(advanced users)</em>', 'autoptimize' ); ?></th>
524 <td>
525 <label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_7]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_7', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_7'] ); } ?>'><br /><?php _e( 'Comma-separated list with full URL\'s of to to-be-preloaded resources. To be used sparingly!', 'autoptimize' ); ?></label>
526 </td>
527 </tr>
528 <tr>
529 <th scope="row"><?php _e( 'Async Javascript-files <em>(advanced users)</em>', 'autoptimize' ); ?></th>
530 <td>
531 <?php
532 if ( autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' ) ) {
533 // translators: link points Async Javascript settings page.
534 printf( __( 'You have "Async JavaScript" installed, %1$sconfiguration of async javascript is best done there%2$s.', 'autoptimize' ), '<a href="' . 'options-general.php?page=async-javascript' . '">', '</a>' );
535 } else {
536 ?>
537 <input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_3]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_3', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_3'] ); } ?>'>
538 <br />
539 <?php
540 _e( 'Comma-separated list of local or 3rd party JS-files that should loaded with the <code>async</code> flag. JS-files from your own site will be automatically excluded if added here. ', 'autoptimize' );
541 // translators: %s will be replaced by a link to the "async javascript" plugin.
542 echo sprintf( __( 'Configuration of async javascript is easier and more flexible using the %s plugin.', 'autoptimize' ), '"<a href="https://wordpress.org/plugins/async-javascript" target="_blank">Async Javascript</a>"' );
543 $asj_install_url = network_admin_url() . 'plugin-install.php?s=async+javascript&tab=search&type=term';
544 echo sprintf( ' <a href="' . $asj_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
545 }
546 ?>
547 </td>
548 </tr>
549 <tr>
550 <th scope="row"><?php _e( 'Optimize YouTube videos', 'autoptimize' ); ?></th>
551 <td>
552 <?php
553 if ( autoptimizeUtils::is_plugin_active( 'wp-youtube-lyte/wp-youtube-lyte.php' ) ) {
554 _e( 'Great, you have WP YouTube Lyte installed.', 'autoptimize' );
555 $lyte_config_url = 'options-general.php?page=lyte_settings_page';
556 echo sprintf( ' <a href="' . $lyte_config_url . '">%s</a>', __( 'Click here to configure it.', 'autoptimize' ) );
557 } else {
558 // translators: %s will be replaced by a link to "wp youtube lyte" plugin.
559 echo sprintf( __( '%s allows you to “lazy load” your videos, by inserting responsive “Lite YouTube Embeds". ', 'autoptimize' ), '<a href="https://wordpress.org/plugins/wp-youtube-lyte" target="_blank">WP YouTube Lyte</a>' );
560 $lyte_install_url = network_admin_url() . 'plugin-install.php?s=lyte&tab=search&type=term';
561 echo sprintf( ' <a href="' . $lyte_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
562 }
563 ?>
564 </td>
565 </tr>
566 </table>
567 <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p>
568 </form>
569 <?php
570 }
571 }
572